CVE-2025-20209

{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2025-20209", "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "state": "PUBLISHED", "assignerShortName": "cisco", "dateReserved": "2024-10-10T19:15:13.231Z", "datePublished": "2025-03-12T16:13:12.340Z", "dateUpdated": "2025-03-12T17:51:32.083Z"}, "containers": {"cna": {"title": "Cisco IOS XR Software Internet Key Exchange Version 2 Denial of Service Vulnerability", "metrics": [{"format": "cvssV3_1", "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "baseScore": 7.5, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH"}}], "descriptions": [{"lang": "en", "value": "A vulnerability in the Internet Key Exchange version 2 (IKEv2) function of Cisco IOS XR Software could allow an unauthenticated, remote attacker to prevent an affected device from processing any control plane UDP packets. \r\n\r\nThis vulnerability is due to improper handling of malformed IKEv2 packets. An attacker could exploit this vulnerability by sending malformed IKEv2 packets to an affected device. A successful exploit could allow the attacker to prevent the affected device from processing any control plane UDP packets, resulting in a denial of service (DoS) condition.\r\nCisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability."}], "references": [{"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-xrike-9wYGpRGq", "name": "cisco-sa-xrike-9wYGpRGq"}, {"url": "https://blog.apnic.net/2024/09/02/crafting-endless-as-paths-in-bgp/", "name": "Crafting endless AS-PATHS in BGP"}], "exploits": [{"lang": "en", "value": "The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory."}], "source": {"advisory": "cisco-sa-xrike-9wYGpRGq", "discovery": "INTERNAL", "defects": ["CSCwk64612"]}, "problemTypes": [{"descriptions": [{"lang": "en", "description": "Allocation of Resources Without Limits or Throttling", "type": "cwe", "cweId": "CWE-770"}]}], "affected": [{"vendor": "Cisco", "product": "Cisco IOS XR Software", "versions": [{"version": "6.5.3", "status": "affected"}, {"version": "6.6.1", "status": "affected"}, {"version": "6.5.2", "status": "affected"}, {"version": "6.6.2", "status": "affected"}, {"version": "6.5.1", "status": "affected"}, {"version": "7.0.1", "status": "affected"}, {"version": "6.6.25", "status": "affected"}, {"version": "7.0.0", "status": "affected"}, {"version": "7.1.1", "status": "affected"}, {"version": "6.6.3", "status": "affected"}, {"version": "7.0.2", "status": "affected"}, {"version": "7.2.0", "status": "affected"}, {"version": "7.1.2", "status": "affected"}, {"version": "7.2.1", "status": "affected"}, {"version": "7.3.1", "status": "affected"}, {"version": "7.4.1", "status": "affected"}, {"version": "7.2.2", "status": "affected"}, {"version": "7.3.2", "status": "affected"}, {"version": "7.5.1", "status": "affected"}, {"version": "7.3.27", "status": "affected"}, {"version": "7.6.1", "status": "affected"}, {"version": "7.5.2", "status": "affected"}, {"version": "7.7.1", "status": "affected"}, {"version": "7.4.2", "status": "affected"}, {"version": "7.6.2", "status": "affected"}, {"version": "7.8.1", "status": "affected"}, {"version": "7.7.2", "status": "affected"}, {"version": "7.9.1", "status": "affected"}, {"version": "7.8.2", "status": "affected"}, {"version": "7.8.22", "status": "affected"}, {"version": "7.10.1", "status": "affected"}, {"version": "7.7.21", "status": "affected"}, {"version": "7.9.2", "status": "affected"}, {"version": "7.11.1", "status": "affected"}, {"version": "7.10.2", "status": "affected"}, {"version": "24.1.1", "status": "affected"}, {"version": "7.11.2", "status": "affected"}, {"version": "24.2.1", "status": "affected"}, {"version": "24.1.2", "status": "affected"}, {"version": "24.2.11", "status": "affected"}], "defaultStatus": "unknown"}], "providerMetadata": {"orgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "shortName": "cisco", "dateUpdated": "2025-03-12T16:13:12.340Z"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2025-03-12T17:50:42.688446Z", "id": "CVE-2025-20209", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-03-12T17:51:32.083Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2025-20209", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2025-03-12T17:50:42.688446Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-03-12T17:50:46.851Z"}}], "cna": {"title": "Cisco IOS XR Software Internet Key Exchange Version 2 Denial of Service Vulnerability", "source": {"defects": ["CSCwk64612"], "advisory": "cisco-sa-xrike-9wYGpRGq", "discovery": "INTERNAL"}, "metrics": [{"format": "cvssV3_1", "cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}}], "affected": [{"vendor": "Cisco", "product": "Cisco IOS XR Software", "versions": [{"status": "affected", "version": "6.5.3"}, {"status": "affected", "version": "6.6.1"}, {"status": "affected", "version": "6.5.2"}, {"status": "affected", "version": "6.6.2"}, {"status": "affected", "version": "6.5.1"}, {"status": "affected", "version": "7.0.1"}, {"status": "affected", "version": "6.6.25"}, {"status": "affected", "version": "7.0.0"}, {"status": "affected", "version": "7.1.1"}, {"status": "affected", "version": "6.6.3"}, {"status": "affected", "version": "7.0.2"}, {"status": "affected", "version": "7.2.0"}, {"status": "affected", "version": "7.1.2"}, {"status": "affected", "version": "7.2.1"}, {"status": "affected", "version": "7.3.1"}, {"status": "affected", "version": "7.4.1"}, {"status": "affected", "version": "7.2.2"}, {"status": "affected", "version": "7.3.2"}, {"status": "affected", "version": "7.5.1"}, {"status": "affected", "version": "7.3.27"}, {"status": "affected", "version": "7.6.1"}, {"status": "affected", "version": "7.5.2"}, {"status": "affected", "version": "7.7.1"}, {"status": "affected", "version": "7.4.2"}, {"status": "affected", "version": "7.6.2"}, {"status": "affected", "version": "7.8.1"}, {"status": "affected", "version": "7.7.2"}, {"status": "affected", "version": "7.9.1"}, {"status": "affected", "version": "7.8.2"}, {"status": "affected", "version": "7.8.22"}, {"status": "affected", "version": "7.10.1"}, {"status": "affected", "version": "7.7.21"}, {"status": "affected", "version": "7.9.2"}, {"status": "affected", "version": "7.11.1"}, {"status": "affected", "version": "7.10.2"}, {"status": "affected", "version": "24.1.1"}, {"status": "affected", "version": "7.11.2"}, {"status": "affected", "version": "24.2.1"}, {"status": "affected", "version": "24.1.2"}, {"status": "affected", "version": "24.2.11"}], "defaultStatus": "unknown"}], "exploits": [{"lang": "en", "value": "The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory."}], "references": [{"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-xrike-9wYGpRGq", "name": "cisco-sa-xrike-9wYGpRGq"}, {"url": "https://blog.apnic.net/2024/09/02/crafting-endless-as-paths-in-bgp/", "name": "Crafting endless AS-PATHS in BGP"}], "descriptions": [{"lang": "en", "value": "A vulnerability in the Internet Key Exchange version 2 (IKEv2) function of Cisco IOS XR Software could allow an unauthenticated, remote attacker to prevent an affected device from processing any control plane UDP packets. \r\n\r\nThis vulnerability is due to improper handling of malformed IKEv2 packets. An attacker could exploit this vulnerability by sending malformed IKEv2 packets to an affected device. A successful exploit could allow the attacker to prevent the affected device from processing any control plane UDP packets, resulting in a denial of service (DoS) condition.\r\nCisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "cwe", "cweId": "CWE-770", "description": "Allocation of Resources Without Limits or Throttling"}]}], "providerMetadata": {"orgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "shortName": "cisco", "dateUpdated": "2025-03-12T16:13:12.340Z"}}}, "cveMetadata": {"cveId": "CVE-2025-20209", "state": "PUBLISHED", "dateUpdated": "2025-03-12T17:51:32.083Z", "dateReserved": "2024-10-10T19:15:13.231Z", "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "datePublished": "2025-03-12T16:13:12.340Z", "assignerShortName": "cisco"}, "dataVersion": "5.1"}

{"affected": [{"affectedData": [{"defaultStatus": "unknown", "product": "Cisco IOS XR Software", "vendor": "Cisco", "versions": [{"status": "affected", "version": "6.5.3"}, {"status": "affected", "version": "6.6.1"}, {"status": "affected", "version": "6.5.2"}, {"status": "affected", "version": "6.6.2"}, {"status": "affected", "version": "6.5.1"}, {"status": "affected", "version": "7.0.1"}, {"status": "affected", "version": "6.6.25"}, {"status": "affected", "version": "7.0.0"}, {"status": "affected", "version": "7.1.1"}, {"status": "affected", "version": "6.6.3"}, {"status": "affected", "version": "7.0.2"}, {"status": "affected", "version": "7.2.0"}, {"status": "affected", "version": "7.1.2"}, {"status": "affected", "version": "7.2.1"}, {"status": "affected", "version": "7.3.1"}, {"status": "affected", "version": "7.4.1"}, {"status": "affected", "version": "7.2.2"}, {"status": "affected", "version": "7.3.2"}, {"status": "affected", "version": "7.5.1"}, {"status": "affected", "version": "7.3.27"}, {"status": "affected", "version": "7.6.1"}, {"status": "affected", "version": "7.5.2"}, {"status": "affected", "version": "7.7.1"}, {"status": "affected", "version": "7.4.2"}, {"status": "affected", "version": "7.6.2"}, {"status": "affected", "version": "7.8.1"}, {"status": "affected", "version": "7.7.2"}, {"status": "affected", "version": "7.9.1"}, {"status": "affected", "version": "7.8.2"}, {"status": "affected", "version": "7.8.22"}, {"status": "affected", "version": "7.10.1"}, {"status": "affected", "version": "7.7.21"}, {"status": "affected", "version": "7.9.2"}, {"status": "affected", "version": "7.11.1"}, {"status": "affected", "version": "7.10.2"}, {"status": "affected", "version": "24.1.1"}, {"status": "affected", "version": "7.11.2"}, {"status": "affected", "version": "24.2.1"}, {"status": "affected", "version": "24.1.2"}, {"status": "affected", "version": "24.2.11"}]}], "source": "psirt@cisco.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:cisco:ios_xr:6.5.1:*:*:*:*:*:*:*", "matchCriteriaId": "B2FD2C84-CD64-4C1C-BC38-2F7A2A6EEF45", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios_xr:6.5.2:*:*:*:*:*:*:*", "matchCriteriaId": "2DE98B34-501B-449A-843A-58F297EDBE1B", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios_xr:6.5.3:*:*:*:*:*:*:*", "matchCriteriaId": "86E05C3F-4095-4B9C-8C11-E32567EB14AC", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios_xr:6.6.1:*:*:*:*:*:*:*", "matchCriteriaId": "54EA6C52-E541-4426-A3DF-2FA88CA28BA1", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios_xr:6.6.2:*:*:*:*:*:*:*", "matchCriteriaId": "B8AE8971-5003-4A39-8173-E17CE9C2523F", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios_xr:6.6.3:*:*:*:*:*:*:*", "matchCriteriaId": "36944A2B-E4F5-41DE-AC4D-55BFA603BE5E", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios_xr:6.6.25:*:*:*:*:*:*:*", "matchCriteriaId": "3DC7F758-5AB7-4A45-A889-BE9DD8D0474E", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios_xr:7.0.0:*:*:*:*:*:*:*", "matchCriteriaId": "00D33162-F298-4B99-A3D4-283A2A4FA091", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios_xr:7.0.1:*:*:*:*:*:*:*", "matchCriteriaId": "82AF763B-9299-4EDC-B42D-B83736839CA1", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios_xr:7.0.2:*:*:*:*:*:*:*", "matchCriteriaId": "5F70AB37-3C0B-40A8-BC37-5A79DA5F45F6", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios_xr:7.1.1:*:*:*:*:*:*:*", "matchCriteriaId": "E90BEFD1-AAA5-4D39-A180-4B5ED3427AFC", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios_xr:7.1.2:*:*:*:*:*:*:*", "matchCriteriaId": "8B842317-A5DB-4890-948A-DD26B7AE2540", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios_xr:7.2.0:*:*:*:*:*:*:*", "matchCriteriaId": "84BABFE7-1350-4FB0-B9ED-5F08E386BC40", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios_xr:7.2.1:*:*:*:*:*:*:*", "matchCriteriaId": "B7FE3667-1B5E-48FB-B3BB-1C1854FFEE72", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios_xr:7.2.2:*:*:*:*:*:*:*", "matchCriteriaId": "2B0370A9-E422-4109-81A3-DE2118A20827", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios_xr:7.3.1:*:*:*:*:*:*:*", "matchCriteriaId": "82CD7F68-9569-43F4-88ED-96F9A15C065D", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios_xr:7.3.2:*:*:*:*:*:*:*", "matchCriteriaId": "D2C4C062-F816-41FE-ADAD-F994F4FA4A07", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios_xr:7.3.27:*:*:*:*:*:*:*", "matchCriteriaId": "8511927B-4297-47BA-BC02-6250BC40DF2B", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios_xr:7.4.1:*:*:*:*:*:*:*", "matchCriteriaId": "40C6D7C4-A5D9-4365-9664-EF35586925AA", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios_xr:7.4.2:*:*:*:*:*:*:*", "matchCriteriaId": "EC41A004-2029-4E22-A88F-2B93D9786B6C", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios_xr:7.5.1:*:*:*:*:*:*:*", "matchCriteriaId": "57F7D7FD-24A8-4DD4-8280-A18244059F34", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios_xr:7.5.2:*:*:*:*:*:*:*", "matchCriteriaId": "7A7448D1-BC19-45AB-BF6F-3434F8CA2CC8", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios_xr:7.6.1:*:*:*:*:*:*:*", "matchCriteriaId": "6C95648D-A37A-446B-B106-12612C00A34D", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios_xr:7.6.2:*:*:*:*:*:*:*", "matchCriteriaId": "4DF31489-C029-4D4C-8401-26873FC469E3", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios_xr:7.7.1:*:*:*:*:*:*:*", "matchCriteriaId": "1807BE16-BAA9-4BC6-B98A-13D584A12821", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios_xr:7.7.2:*:*:*:*:*:*:*", "matchCriteriaId": "375746CB-695E-4019-89C9-42ED37A5E958", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios_xr:7.7.21:*:*:*:*:*:*:*", "matchCriteriaId": "CE7D05C0-4065-448B-AAC6-F29E379F3DA6", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios_xr:7.8.1:*:*:*:*:*:*:*", "matchCriteriaId": "D8ADA2B1-FD5A-4900-953B-30951C8EF9AE", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios_xr:7.8.2:*:*:*:*:*:*:*", "matchCriteriaId": "9B4C7223-3EFB-48C2-BE22-941F60826D0C", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios_xr:7.8.22:*:*:*:*:*:*:*", "matchCriteriaId": "4EE83701-C0B7-4ED2-866B-44B7F54FCA0F", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios_xr:7.9.1:*:*:*:*:*:*:*", "matchCriteriaId": "164B241C-397A-4921-BC5B-F928A21E91C2", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios_xr:7.9.2:*:*:*:*:*:*:*", "matchCriteriaId": "FAD3875D-D283-4961-BE31-750FDF9CDF56", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios_xr:7.10.1:*:*:*:*:*:*:*", "matchCriteriaId": "BAEC28C0-8091-49F9-88D1-CB96234BF52A", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios_xr:7.10.2:*:*:*:*:*:*:*", "matchCriteriaId": "E1ED2B72-A65C-47E4-87B3-D83F29428396", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios_xr:7.11.1:*:*:*:*:*:*:*", "matchCriteriaId": "8904CAA5-4E01-462C-AE57-067902CD95FC", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios_xr:7.11.2:*:*:*:*:*:*:*", "matchCriteriaId": "7750EA99-EC55-4F94-8730-18583647BBBA", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios_xr:24.1.1:*:*:*:*:*:*:*", "matchCriteriaId": "BCE8E968-111F-4F57-93D3-E509AB540B87", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios_xr:24.1.2:*:*:*:*:*:*:*", "matchCriteriaId": "B342A550-8600-45CF-8B9A-530770C9A0F4", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios_xr:24.2.1:*:*:*:*:*:*:*", "matchCriteriaId": "D64E1C4D-46B0-4A18-B8EE-BEA732CBF1F8", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios_xr:24.2.11:*:*:*:*:*:*:*", "matchCriteriaId": "11288A28-F0CF-4FEC-A0B7-3D93866F01FE", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:cisco:ncs_1004:-:*:*:*:*:*:*:*", "matchCriteriaId": "60C9AAF8-4C5B-4EF5-B575-8235F3C54BCC", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:ncs_1010:-:*:*:*:*:*:*:*", "matchCriteriaId": "97D1123D-39F9-4D22-99CE-F28CA57FE191", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:ncs_1014:-:*:*:*:*:*:*:*", "matchCriteriaId": "F2E3F337-0CF5-456E-B313-DC3ED4BF9D9B", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:ncs_540l:-:*:*:*:*:*:*:*", "matchCriteriaId": "7987161E-E0C6-4BBB-91FC-F49A7F4AE6B6", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability in the Internet Key Exchange version 2 (IKEv2) function of Cisco IOS XR Software could allow an unauthenticated, remote attacker to prevent an affected device from processing any control plane UDP packets. \r\n\r\nThis vulnerability is due to improper handling of malformed IKEv2 packets. An attacker could exploit this vulnerability by sending malformed IKEv2 packets to an affected device. A successful exploit could allow the attacker to prevent the affected device from processing any control plane UDP packets, resulting in a denial of service (DoS) condition.\r\nCisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability."}, {"lang": "es", "value": "Una vulnerabilidad en la funci\u00f3n Intercambio de Claves por Internet versi\u00f3n 2 (IKEv2) del software Cisco IOS XR podr\u00eda permitir que un atacante remoto no autenticado impida que un dispositivo afectado procese paquetes UDP del plano de control. Esta vulnerabilidad se debe a la gesti\u00f3n incorrecta de paquetes IKEv2 malformados. Un atacante podr\u00eda explotar esta vulnerabilidad enviando paquetes IKEv2 malformados a un dispositivo afectado. Una explotaci\u00f3n exitosa podr\u00eda permitir al atacante impedir que el dispositivo afectado procese paquetes UDP del plano de control, lo que provocar\u00eda una denegaci\u00f3n de servicio (DoS). Cisco ha publicado actualizaciones de software que solucionan esta vulnerabilidad. No existen workarounds que la solucionen."}], "id": "CVE-2025-20209", "lastModified": "2026-06-17T08:41:05.080", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "psirt@cisco.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-20209", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2025-03-12T17:50:42.688446Z", "version": "2.0.3"}}]}, "published": "2025-03-12T16:15:22.507", "references": [{"source": "psirt@cisco.com", "tags": ["Not Applicable"], "url": "https://blog.apnic.net/2024/09/02/crafting-endless-as-paths-in-bgp/"}, {"source": "psirt@cisco.com", "tags": ["Vendor Advisory"], "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-xrike-9wYGpRGq"}], "sourceIdentifier": "psirt@cisco.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-770"}], "source": "psirt@cisco.com", "type": "Secondary"}]}

{}

{"created": "2025-07-13T11:07:20.502992+00:00", "updated": "2025-07-13T11:07:20.503048+00:00", "vendors": ["cisco", "cisco$PRODUCT$ios_xr_software"]}